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Patents > National tech categories : FR 10.1 or FR 6.2 & Number of figures: 4-7

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Inventors:
Antoine-Padoue Filippi (3) · None (2) · André Gambin (2) · Anthelme Perret fils (2) · Henry Gorra (2) · Pierre Levasseur (2) · Gabriel Babillot (2) · Louis-Marie Le Dantec (2)
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Tech fields:
propellers (21) · propulsion (19) · marine (13) · design (13) · aerodynamics (9) · subsystem (6) · navigation (5) · None (4) · Frame (4) · Airplane (4) · ascension (4) · propeller (4) · Construction (4) · Control (4) · sustentation (3) · hydrodynamics (3) · Lift (3)
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CPCs:
None (6) · CPC B63H1/26 (6) · CPC B64C11/16 (4) · CPC B64C11/006 (4) · CPC B63H2001/122 (4) · CPC B63H3/00 (2) · CPC B64C11/24 (2) · CPC B63H2005/005 (2) · CPC B64C11/18 (2) · CPC B63H1/36 (2) · CPC B63H1/28 (2) · CPC B64C23/005 (2) · CPC B63H1/12 (2) · CPC B63H1/08 (2)
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